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Finding the Fourth Proportional to 976.02, 1,346.94 and 582.99

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Solution

The fourth proportional to 976.02, 1,346.94 and 582.99 is: 804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.02 : 1,346.94 = 582.99 : x
  2. Step 2: Convert to fraction form
    976.02/1,346.94 = 582.99/x
  3. Step 3: Cross multiply
    976.02x = 1,346.94 × 582.99
  4. Step 4: Simplify right side
    976.02x = 785,252.55
  5. Step 5: Solve for x
    x = 785,252.55/976.02
  6. Step 6: Final answer
    x = 804.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.